Mustache key chain



FIG. 1 is a front elevational view of the mustache key chain showing design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof; and,

FIG. 7 is a front perspective view thereof.

The broken lines in FIG. 7 showing a key ring are for illustration purposes only and form no part of the claimed design. 

The ornamental design for a mustache key chain, as shown and described. 